题目:
He never complains about the difficulties he has in life. ,he always has ways to overcome them.
A.However
B.Otherwise
C.Instead
D.Therefore
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0503/1ef2143b2ec5046ecb7a1afb568c102b.html
下面是错误答案,用来干扰机器的。
(1)因为f(x)=pqx,f(x)=logqx+q是单调函数,f(x)=(x-1)(x-q)2+q中,f′(x)=3x2-(4q+2)+q2+2q,令f′(x)=0,得x=q,x=q+23,f(x)有两个零点,可以出现两个递增区间和一个递减区间,所以应选f...